Coolair 36" Upblast Power Roof Exhaust Fan Belt Drive 790 RPM 2 HP 1 Phase - U JBH36N-2 HP-120v/230v-1ph | HVACDirect.com
Model DRV - Upblast Roof Exhaust Fan - Direct Drive - Carl J Bush Company
Amazon.com: Centrifigual Upblast Exhaust Fan Windband Extension- Used to Increase the Height of the Exhaust Outlet (DU50-36" high) : Tools & Home Improvement
5DDU085AY Upblast Roof Fan - Roof ventilators - Fantech